{
  "manageEntity": {
    "action": "Save",
    "entityId": "736869272",
    "entityType": "Track",
    "nonce": "0xaefab7d9edfcbc36032fd5d44a613d4b11611579c5ab3f66a998baf331723227",
    "signature": "0xa3ac6b1a4429325fa20b432bd55cf10cb5861d045d863869357d342ff6d6958a2fb7ed3f5afeec2abb5828b796ea8d9cdac98f1b271946d58ce122c6f207967c1c",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}